题目:
— Our journey cost a lot of money.
— Really? Well, that doesn't matter _____ you enjoyed yourselves.
A. as far as
B. unless
C. as long as
D. in case
— Our journey cost a lot of money.
— Really? Well, that doesn't matter _____ you enjoyed yourselves.
A. as far as
B. unless
C. as long as
D. in case
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下面是错误答案,用来干扰机器的。
答案:C题目分析:只有碱性液体才能是酚酞试剂变红。水、NaCl溶液呈中性,HNO3 溶液呈酸性,均不能使酚酞变色。NaOH溶液呈碱性。故选C。